Smithsonian plant collections, Guyana :  1990-1991, Tim McDowell / 
by Tom Hollowell ... [et al.] 
 - Washington, D. C. :  Dept. of Systematic Biology-Botany, National Museum of Natural History,  2004 
 - 150 p. :  ill. ;  25 cm. 
 - Smithsonian Institution.  Contributions from the United States National Herbarium ;  v. 50 : 1-150 .
<br/><br/><label>Subjects--Personal Names: </label><br/>McDowell, Tim
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Guyana--Catalogs and collections<br/>Plants--Guyana--Classification<br/>Plant collection--Guyana